CH450447A - Process for the preparation of 2-oxa-3-oxo-steroids - Google Patents

Process for the preparation of 2-oxa-3-oxo-steroids

Info

Publication number
CH450447A
CH450447A CH311563A CH311563A CH450447A CH 450447 A CH450447 A CH 450447A CH 311563 A CH311563 A CH 311563A CH 311563 A CH311563 A CH 311563A CH 450447 A CH450447 A CH 450447A
Authority
CH
Switzerland
Prior art keywords
oxa
steroids
oxo
preparation
Prior art date
Application number
CH311563A
Other languages
German (de)
Inventor
N Nysted Leonard
Pappo Raphael
Original Assignee
Searle & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Searle & Co filed Critical Searle & Co
Publication of CH450447A publication Critical patent/CH450447A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J73/00—Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by substitution of one or two carbon atoms by hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07J—STEROIDS
    • C07J75/00—Processes for the preparation of steroids in general

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Steroid Compounds (AREA)
CH311563A 1962-03-12 1963-03-12 Process for the preparation of 2-oxa-3-oxo-steroids CH450447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US179190A US3109016A (en) 1962-03-12 1962-03-12 Ozonolysis process and intermediates in the manufacture of 17-oxygenated 2-oxa-5alpha-androstan-3-ones

Publications (1)

Publication Number Publication Date
CH450447A true CH450447A (en) 1968-01-31

Family

ID=22655595

Family Applications (1)

Application Number Title Priority Date Filing Date
CH311563A CH450447A (en) 1962-03-12 1963-03-12 Process for the preparation of 2-oxa-3-oxo-steroids

Country Status (5)

Country Link
US (1) US3109016A (en)
AT (1) AT250582B (en)
CH (1) CH450447A (en)
DK (1) DK103476C (en)
SE (1) SE317066B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU224817B1 (en) 1999-06-10 2006-02-28 Richter Gedeon Vegyeszet New process for producing 17-betha-hydroxy-17-alpha-methyl-2-oxa-5-alpha-androstan-3-on and intermediate thereof
US20030032817A1 (en) * 2001-05-15 2003-02-13 Cabaj John E. Process for the synthesis of oxandrolone
US6787659B2 (en) * 2001-12-11 2004-09-07 Barr Laboratories, Inc. Process for the production of oxandrolone

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897202A (en) * 1956-03-19 1959-07-28 Monsanto Chemicals 3-keto-4-aza-delta5-steroids and method of preparing same
US3023227A (en) * 1959-11-04 1962-02-27 Searle & Co 5, 7-seco-b-norandrostane derivatives

Also Published As

Publication number Publication date
SE317066B (en) 1969-11-10
DK103476C (en) 1966-01-10
US3109016A (en) 1963-10-29
AT250582B (en) 1966-11-25

Similar Documents

Publication Publication Date Title
CH457490A (en) Process for the preparation of N-acylcysteines
CH430677A (en) Process for the preparation of p-aminoarylaldehydes
AT242863B (en) Process for the preparation of α-amino-arylmethylpenicillins
CH435303A (en) Process for the preparation of 2-chloro-s-triazines
AT250582B (en) Process for the preparation of 2-oxa-3-oxo-steroids
CH427812A (en) Process for the preparation of oxathiazolinones
CH450405A (en) Process for the preparation of 19-hydroxy-4-3-keto-steroids
CH431511A (en) Process for the preparation of 1a-alkylthio-3-keto-steroids
CH469721A (en) Process for the preparation of 3-acrylamino-pyrazinamido-guanidines
CH429729A (en) Process for the preparation of aminoisoxazoles
CH415612A (en) Process for the preparation of 19-norsteroid compounds
AT241433B (en) Process for the preparation of N-trifluoromethyl-N-aryl-aminosulfenäurehalogeniden
CH441349A (en) Process for the preparation of s-tetrazines
CH440265A (en) Process for the preparation of 19-norsteroids
CH431518A (en) Process for the preparation of 16B-lower alkylthio-17B-hydroxy-estren-3-ones
CH443283A (en) Process for the preparation of 3-methylene-steroids
CH475985A (en) Process for the preparation of substituted 2-oxo-tetrahydroquinolines
CH418336A (en) Process for the preparation of octahydrophenanthridine compounds
AT257064B (en) Process for the preparation of 16α-hydroxysteroids
AT242149B (en) Process for the preparation of 2-sulfanilamido-5-methoxypyrimidine
CH441298A (en) Process for the preparation of 8B-methyl-11B-oxysteroids
CH434277A (en) Process for the preparation of 3-halogeno-4-nitro-6-alkylpyridazine-1-oxides
CH478110A (en) Process for the preparation of 5a-1-androstenols
CH430735A (en) Process for the preparation of 2-hydroxy-s-triazines
CH428750A (en) Process for the preparation of N-trifluoromethylamines